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Informix - Problem description

Problem IT09044 Status: Closed

CHAR[INDEX] ARRAY ASSIGNMENT INTO GLOBAL VARIABLE CAN CAUSE MEMORY
CORRUPTION ASSERTION FAILURE

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
Consider the following rowtype: 
 
create row type "informix".row_wh_costos 
        ( 
        cod_emp decimal(8,0), 
        cod_pto decimal(4,0), 
        int_art char(15), 
        ean_art decimal(14,0), 
        ean_rel decimal(14,0), 
        fec_mov date, 
        num_sec decimal(2,0), 
        costo decimal(9,4), 
        reg_mov decimal(12,0), 
        ord_mov decimal(8,0), 
        usr_grb char(20), 
        fec_grb date, 
        hor_grb char(8) 
        ); 
 
and a global variable definition in a stored procedure like: 
 
DEFINE GLOBAL p_wh_costos row_wh_costos DEFAULT NULL; 
 
After initializing the global variable, an assignment like this 
can cause memory corruption: 
 
let p_wh_costos.usr_grb[20] ="X"; 
 
The top most part of the stack upon assertion failure looks 
like: 
 
(oninit)afsig_handler 
(oninit)stcmpr 
                                 getglobdata  <--- 
(oninit)getvardata 
(oninit)ev_procvar_ret 
(oninit)new_eval 
 
as a global variable entry in the session's global variable list 
has been corrupted by the assignment.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Those using subscripted global variables in SPLs             * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Update to IBM Informix Server 12.10.xC6                      * 
****************************************************************
Local Fix:
Solution
Problem Fixed In IBM Informix Server 12.10.xC6
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
21.05.2015
30.12.2015
30.12.2015
Problem solved at the following versions (IBM BugInfos)
12.10.xC6
Problem solved according to the fixlist(s) of the following version(s)
12.10.xC6 FixList